When glass breaks, the cracks move at speeds of up to 3,000 miles per hour.
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If a man could run as fast for his size as an ant can, he could run as fast as a racehorse.
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Sound travels about 4 times faster in water than in air.
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The highest speed ever achieved on a bicycle was 167.04 mph by Fred Rompelberg in 1995.
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Honey bees fly at 15 miles per hour.
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Coughing can cause air to move through your windpipe faster than the speed of sound - over a thousand feet per second!
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Jumping fleas can accelerate 50 times faster than the space shuttle.
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Humans are capable of running 40 mph according to a study by bio-mechanical expert Dr. Matthew Bundle. Today's fastest man, Usain Bolt, has a top speed of 28 mph.
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