Beads are dropped to create a conical pile such that the ratio of its radius to the height of the pile is constant at 2:3 and the volume is increasing at a rate of 5 cm3/s. Find the rate of change of height at h = 15cm.
A.
0. 0106 cm/s
B.
0. 0159 cm/s
C.
0. 1592 cm/s
D.
0. 5305 cm/s
