Section 13.2: Problem 5 Previous Problem Problem List Next Problem (1 point) A particle traveling in a straight line is located at point (6, 0, - 8) and has speed 3 at time t = 0. The particle moves toward the point (-9, -1, 9) with constant acceleration (-15, -1, 17) . Find its position vector r(t ) at time t. T (t)