Why Is the Cheetah So Fast

PMT 2014-011b

A Corvette Twin Turbo accelerates at about 7.2 meters per second. A Ferrari Enzo boasts about 8.1 meters per second, which takes it from zero to 60 mph in about 3.3 seconds. A cheetah picks up speed faster than both of those cars. Its specialized body accelerates at 10 meters per second and gets up to 40 mph (64 kph) in three strides.

The cheetah is the fastest land animal, achieving a top speed of about 70 mph (113 kph). This incredible speed comes with a price, though — a cheetah is a rather puny large cat. (It looks a lot like a leopard, but you can tell a cheetah by the bilateral, teardrop-shaped stripes running from either side of its nose to its eyes.) It’s small and lightweight, usually less than 3 feet (1 meter) tall and about 4 feet (1.2 meters) long. More than half of that length is the tail, which is crucial to maintaining control during a 70 mph chase. The very adaptations that make it the fastest cat alive also make it highly susceptible to extinction, as we’ll see on the next page.

On the open savannas of Iran and parts of Africa, cheetahs are amazing examples of specialization — the evolutionary adaptation to very specific environmental conditions. In this case, the specialization is for speed. Going after impalas, gazelles and small wildebeests, the cheetah is a blur, and the chase is short-lived, typically lasting about 30 seconds. Cheetah moms spend a lot of time teaching their cubs to chase, sometimes dragging live animals back to the den so the cubs can practice the chase-and-catch process.

To finish this article go to: http://science.howstuffworks.com/zoology/mammals/cheetah-speed.htm

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