A boat is being pulled toward a dock as shown in the figure to the right. If the rope is being pulled in at the rate of 3 feet per second, how fast is the distance between the dock and the boat decreasing when it is 4 feet from the dock?

4ftRopeBoatDock

Question content area bottom

Part 1

The distance between the dock and the boat is decreasing by

enter your response here

feet per second when the boat is

4

feet from the dock.

(Round to the nearest thousandth as needed.)