provide a clear answer.

3. (5 points) A boat is pued 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 5 ft higher than the front of the boat. The rope is being pulled through the ring at the rate of l ft/sec. How fast is the boat approaching the clock when 13 ft of rope are out, i.e., the distance of the front of the boat to the ring is 13 ft? Draw a picture and label key variables