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Cheetah's acceleration power key to their success

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WASHINGTON (AP) — Everyone knows cheetahs are blazingly fast. Now new research illustrates how their acceleration and nimble zigzagging leave other animals in the dust and scientists in awe. Researchers first determined that cheetahs can run twice as fast as Olympian Usain Bolt on a straightaway. Then they measured the energy a cheetah muscle produces compared to body size and calculated...