Why Do Cheetahs Run so Fast?

Answer

Cheetahs normally run fast due to the fact that they are small and lightweight. Their shape also makes it easy for them to run first and the fact that have very muscular legs. They are the fastest land mammals averaging at a speed of between 112 and 120 km/h.
1 Additional Answer
The amazing Cheetah can run speeds up to 70 mph. The way a Cheetah is built with long legs and flexible spine is what helps them to run so fast. They live in big territories and most of the time need their speed to be able to catch it's dinner.
Q&A Related to "Why Do Cheetahs Run so Fast"
Cheetahs run fast to catch there prey such as a gazelle which is almost just as fast as the cheetah. Cheetahs can only run short distances before they get tired so they have to be
http://answers.ask.com/Science/Biology/why_do_chee...
Because its bones are very light and its bone structure is ideal for very fast running.
http://wiki.answers.com/Q/Why_does_a_cheetah_run_s...
Time Frame A cheetah can attain speeds up to 76 miles per hour but can only sustain them for over a distance of approximately 1,500 feet. Cheetahs can accelerate at an amazing rate,
http://www.ehow.com/how_4577113_how-fast-does-chee...
I read years ago that cheetahs had been clocked sprinting (very short distances) at 70 mile per hour. Embed Quote
http://www.quora.com/How-fast-can-a-Cheetah-run
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