Story 7. How Fast Are You?.
Do you think you are a fast runner?
How fast can you run?
You may be fast for a person, but no one is as fast as some animals.
For example, a cheetah can run up to 110 kilometres per hour.
A horse can run almost 90, and a rabbit can run about 60.
Even a warthog can go as fast as 50 kilometres per hour.
The fastest human once ran at a speed of about 45 kilometres per hour.
That was for the 100-yard dash at the Olympics.
Now, the fastest man alive is Asafa Powell, a sprinter from Jamaica.
He ran 100 metres in 9.77 seconds.
That's about 10 metres per second, or 36.8 kilometres per hour.
That's just a little faster than an elephant.
Feeling slow?
Well, don't feel bad, because humans can outrun snakes, chickens, and mice.
Just don't try to race a cheetah.
