10) (4 points) Sand is falling off of a conveyer belt onto a conical pile at a rate of 10 cubic feet per minute. The diameter of the base is 4 times its height. At what rate is the height of the pile changing when the pile is 7 feet high? Be sure to include appropriate units in your answer. The volume of a cone is V = Earth.di al sialgemed s to amploy Joshua off Forkidmimgerit Sulba Sri bad or werd villains Prob BOY sion Inartoumil