I thought Greyhounds ran about 45 mph at top speed. That's a three quarters of the speed of a Cheetah. I've got two greyhound rescues, one that won a large amount of her races and she's still a spitfire when she's got the room to play. That said, having seen a Cheetah run at the San Diego Zoo in a demonstration,…

Speed Racer was amazing. It's the best live action family movie of the last ten years.