A body is released from a point of distance `R'` from the centre of earth. Its velocity at the time of striking the earth will be `(R’gtR_(e))`

A body starts from rest from a point distant r_(0) from the centre of the earth. It reaches the surface of the earth whose radius is R . The velocity acquired by the body is

A body starts from rest from a point distant r_(0) from the centre of the earth. It reaches the surface of the earth whose radius is R . The velocity acquired by the body is

A body starts from rest from a point distant r_(0) from the centre of the earth. It reaches the surface of the earth whose radius is R . The velocity acquired by the body is