Kinematics, the study of motion and how things move, encompasses the concepts of position, velocity and acceleration, but as anyone who has caught up to someone in a game of tag or on the running track knows, it's acceleration that's the most fun element of this concept.
Some of us start out slow, but acceleration can yield some surprising results when it comes to predators and prey, or basically anyone involved in a chase. As the kinematics episode of NBC Learn's "The Science of NFL Football" states, "NFL running backs would be easy prey, and football itself wouldn't be nearly as fun to watch" without acceleration and other aspects of kinematics.
To read the full, original article click on this link: How Can a Slower Runner Catch a Faster One?: Scientific American
