The velocity of a particle moving along the x-axis varies with time according to v(t) = A + B/t, where A = 2 m/s, B = 0.25 m, and 1.0 s ≤ t ≤ 8.0 s. Determine the acceleration and position of the particle at t = 2.0 s and t = 5.0 s. Assume that x|t=1.00 s = 0.