Narrator: "Crack the whip" is a playground game popular with grade-school children.
Narrator: The child at the end of the 'whip' may approach speeds of eight meters per second before being launched across the yard. Wheee!
Narrator: Children may learn principles of mechanical advantage, and will likely have occasion to learn the basics of first aid.
Narrator: They also learn when to let go.
Legs: Sticky! Can't let go! CAN'T LET GO!