a body starts from resr and accerlerates at the rate of "a" for time t and s at 'b' for time 2t. find the final and the max velocity
v = Vi + a t in general
so here
v = 0 + a t for first part, this is max v
then
v = a t - 2 t b
so here
v = 0 + a t for first part, this is max v
then
v = a t - 2 t b