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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Jumping fleas can accelerate 50 times faster than the space shuttle.
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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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MIT has developed a camera that captures the speed of light at a trillion frames per second.
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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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A domestic cat can sprint at about 31 miles per hour.
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Sound travels about 4 times faster in water than in air.
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