The Cheetah, world fastest mammal

Sarah is the world's fastest cheetah. She's 11 years old and lives at Cincinnati Zoo, and currently holds the prestigious title of the world's fastest land mammal after breaking the 60-mile-per-hour (96.5km/h) record in June 2012. National Geographic decided to capture her graceful run in slow motion for posterity.
Phantom cameras are renowned for their incredible frame rates. Nothing short of 1200 frames per second was needed to capture the blisteringly fast cheetahs. To see a behind-the-scenes video, as well as how the rig was constructed with a Phantom and some Canon 1D X bodies,

Source