[br]A boat is pulled in to a dock by a rope with one end attached to the front of the boat and the other end passing through a ring attached to the dock at a point[b] h = 1 m[/b] higher than the front of the boat. The rope is being pulled through the ring at the rate of [b]1 m/sec[/b]. [br][b]How fast is the boat approaching the dock if the boat is apart [b][color=#980000]X=8[/color][/b] m from the dock? [/b]

[list][*]Drag points C to change the distance of the boat from the dock.[/*][*]Click on [b]run [/b]button to start simulation.[br][br][/*][/list][br][br]