The radius of a cylinder is decreasing at a constant rate of 4 feet per minute, and the volume is decreasing at a rate of 841 cubic feet per minute. at the instant when the height of the cylinder is
9
9 feet and the volume is 513 cubic feet, what is the rate of change of the height? the volume of a cylinder can be found with the equation
v
=
π
r
2
h
.
v=πr
2
h. round your answer to three decimal places.