a) For a motorcycle traveling at speed v (in mph), when the brakes are applied, the distance (in feet) required to stop the motorcycle may be approximated by the formula d = 0.05^2
. Find the instantaneous rate of change of distance with respect to velocity when the speed is 41 mph.
A. 10.2 mph
B. 5.1 mph
C. 4.1 mph
D. 42 mph