When glass breaks, the cracks move at speeds of up to 3,000 miles per hour.
Sound travels about 4 times faster in water than in air.
A domestic cat can sprint at about 31 miles per hour.
Jumping fleas can accelerate 50 times faster than the space shuttle.
Coughing can cause air to move through your windpipe faster than the speed of sound - over a thousand feet per second!
Domestic pigs average a top speed of about 11 miles per hour.
Honey bees fly at 15 miles per hour.
If a man could run as fast for his size as an ant can, he could run as fast as a racehorse.