The position of a particle moving in the xy-plane is given by the vector (4t, y(2t)) , where y is a twice-differentiable function of t . At time t = 101 k , what is the acceleration vector of the particle? A (3, 2y" (1)) B) (6, 4y (1) ) c (12, 2y"(1)) D (12, 4y"(1)>