The cheetah excels at acceleration, gathering speeds of over 60 MPH in just a few strides. It runs down high-speed prey faster than any mammal on Earth, but its quickness comes at a cost. For one mother raising three cubs, the stakes are especially high. Her lack of stamina results in many failed attempts to capture prey, and as a single parent, hunting means leaving her cubs unattended and vulnerable to other predators of the Serengeti. The race for survival is on. The cheetah has the speed, but does she have the endurance to make