A simple pendulum having bob of maas m is suspended from the ceiling of a car used in a stunt film shooting. The car moves up along an inclined cliff at a speed v and makes a jump to leavwe the cliff and lands at some the top of the cliff. The tension in the string when the car is in air is
A. `mg`
B. `mg - (mv^(2))/(R )`
C. `mg + (mv^(2))/( R)`
D. zero