2. (10 pts) A completely full water tank leaks water at a rate of 0.2 ft per hour. The water tank is a right circular cylinder and stands on one of its circular ends. The tank is 10 feet high and 3 feet in diameter. At what rate is the height of the water changing when the height is 5 feet deep? (Note: Be sure to show your work in an organized manner, including drawing/ labeling a diagram and stating your final answer as a sentence, as shown in Lecture 14.)