Hydrogen gas is being pumped into a spherical object so that its radius increases at 0.03 centimeters per second. How fast is the volume increasing when r = 10 centimeters?

`V = 4/3 pir^3`

A.
3.768 cm3/s
B.
37.68 cm3/s
C.
75.36 cm3/s
D.
113.04 cm3/s