# The radius of a right circular cone is increasing at a rate of 1.2 in/s while its height is decreasing at a rate of 2.4 in/s. At what rate is the volume of the cone changing when the radius is 103 in. and the height is 133 in.?

Question

The radius of a right circular cone is increasing at a rate of 1.2 in/s while its height is decreasing at a rate of 2.4 in/s. At what rate is the volume of the cone changing when the radius is 103 in. and the height is 133 in.?