A body of mass m is accelerated uniformly from rest to a speed v in time T. The instantaneous power delivered to the body in terms of time is given by..... (A) [{mv²} / {T²}] ∙ t (B) [{mv²} / {T²}] ∙ t² (C) [{mv²} / {2T}] ∙ t (D) [{mv²} / {2T²}] ∙ t²