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The growth rate of some bamboo (3 ft/day) 0.0000237
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The tip of a 1/3-in-long hour hand on a wristwatch 0.00000275
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Garden snail 0.03
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Three-toed sloth 0.15
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Giant tortoise 0.17
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Spider 1.17
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The average current of the Mississippi River. 3
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Chicken 9
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Pig 11
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Squirrel 12
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The average speed of Roger Bannister 15
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Black mamba snake 20
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The fastest passenger elevator 23
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Elephant 25
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Cat 30
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Grizzly bear 30
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Wart hog 30
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Giraffe 32
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Rabbit 35
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Greyhound 39
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Coyote 43
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Elk 45
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Horse 48
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Thompson's gazelle 50
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Lion 50
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The "Beast" roller coaster, 65
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Cheetah 70
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Speed of ball in world's fastest recorded pitch 100
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Fastest tennis serve by Andy Roddick, USA. 155
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Fastest downhill skier. 156
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Free Fall Skydiving 185
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The speed of a nerve impulse 205
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Peregrine falcon 217
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Fastest tornado wind speed. 318
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Top speed of a formula one race car. 350
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World’s fastest train, the TGV in France. 358
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The speed of sound at sea level at 68 degrees F. 758
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The fastest aircraft, the Lockheed SR-71. 2,193
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The speed of a bullet 2,250
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The highest man-made spinning speed 4,500
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The speed reached by the space shuttle Columbia. 16,700
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Escape velocity from the Earth. 25,200
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An Atlas SLV-3C launcher 32,114
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The average orbital speed of the earth 66,641
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The orbital speed of an electron in a uranium atom. 5,406,077
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The speed of light 670,251,600
