A large snowball is melting so that its radius is decreasing

Last updated: 7/13/2022

A large snowball is melting so that its radius is decreasing at the rate of 4 inches per hour. How fast is the volume decreasing at the moment when the radius is 5 inches? [Hint: The volume of a sphere of radius r is V = 7³.] (Round your answer to the nearest integer.)