One end of string of length l is connected to a particle of mass ‘m’ and the other end is connected to a small peg on a smooth horizontal table. If the particle moves in circle with speed ‘v’, the net force on the particle (directed towards center) will be (T represents the tension in the string)

A

$$T - \frac{mv^2}{l}$$

B

zero

C

T

D

$$T + \frac{mv^2}{l}$$