When glass breaks, the cracks move at speeds of up to 3,000 miles per hour.
423
If a man could run as fast for his size as an ant can, he could run as fast as a racehorse.
108
Sound travels about 4 times faster in water than in air.
408
A domestic cat can sprint at about 31 miles per hour.
274
Coughing can cause air to move through your windpipe faster than the speed of sound - over a thousand feet per second!
197
The highest speed ever achieved on a bicycle was 167.04 mph by Fred Rompelberg in 1995.
11
Lars Andersen has rediscovered an ancient form of archery that allows him to shoot 10 arrows in 4.9 seconds, while it takes others 13-35 seconds. He is even faster than the fictional archer Legolas in the Lord of the Rings series.
17
Jumping fleas can accelerate 50 times faster than the space shuttle.
218