Title: Related Rates Task Question
Course: Calculus Videos Project > Section: Related Rates

Q: A spherical balloon is being filled with helium at a constant rate of 90 cubic inches per second. How fast is the radius of the balloon changing when its volume is 246 cubic inches? (Note: the formula for the volume of a sphere is .)
- 0.2573 in/sec
- 3.887 in/sec
- 2.1096 in/sec
- 0.4740 in/sec
- 2.733 in/sec
A: 0.4740 in/sec