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.
34
Coughing can cause air to move through your windpipe faster than the speed of sound - over a thousand feet per second!
197
MIT has developed a camera that captures the speed of light at a trillion frames per second.
20
Domestic pigs average a top speed of about 11 miles per hour.
182
The highest speed ever achieved on a bicycle was 167.04 mph by Fred Rompelberg in 1995.
11
If a man could run as fast for his size as an ant can, he could run as fast as a racehorse.
108
When glass breaks, the cracks move at speeds of up to 3,000 miles per hour.
423
Sound travels about 4 times faster in water than in air.
408