A man of mass M =58 kg jumps from an aeroplane as shown in Fig. He sees the hard ground below him and a lake at a distance d = 1 m from the point directly below him. He immediately puts off his jacket (mass m =2 kg) and throws it in a direction directly away from the lake. If he just fails to strike the ground, find the distance (in 101m) he should walk now to pick his jacket. (Neglect air resistance and take the velocity of man at the time of jump with respect to earth zero.)