If a body takes ‘t’ seconds to go once round the circular path of radius ‘r’, the velocity ‘v’ is given by:

A

$$\nu=\frac{t}{2\pi r}$$

B

$$\nu=\frac{2\pi r}{t}$$

C

$$\nu=\frac{2\pi r^2}{t}$$

D

$$\nu=\frac{\pi r}{2t}$$