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 2 feet per second, how fast is the distance between the dock and the boat decreasing when it is 4 feet from the dock? Boat Rope 5ft Dock The distance between the dock and the boat is decreasing by ☐ feet per second when the boat is 4 feet from the dock. (Round to the nearest thousandth as needed.)