A particle moves along a circle of radius $\frac{20}{\pi}$ m with constant tangential acceleration. If the velocity of the particle is $80 m/s at the end of the second revolution after motion has begun, the tangential acceleration is : -

Question

( A ) $40 \pi ms^{–2}$
( B ) $160 \pi ms^{–2}$
( C ) $640 \pi ms^{–2}$
( D ) $40 m/s^{–2}$