Adaptation: cheetah vs. greyhound Adaptation: cheetah vs. greyhound Adaptation: cheetah vs. greyhound dogs can sprint up to 43 mph The World's Fastest Dog Vs. The World's Fastest Cat [Video] Adaptation: cheetah vs. greyhound Adaptation: cheetah vs. greyhound Cheetahs run up to 75 mph thanks to their rotary gallop Adaptation: cheetah vs. greyhound Adaptation: cheetah vs. greyhound world’s fastest dog fastest canid