A body projected electrically from the earth reaches a height equal to earth's radius before retruning to the earth. The power exerted by the gravitational force is greatest

A body projected electrically from the earth reaches a height equal to

1.	A body projected electrically from the earth reaches a height equal to earth's radius before retruning to the earth. The power exerted by the gravitational force is greatest
Answer» at the highest position of the body at the INSTANT just before the body HITS the earth it REMAINS constant all through at the instant just after the body is projected Answer :B