A body is projected vertically upwards from the surface of earth with a velocity sufficient to carry it to infinity. The time taken by it to reach height h is A √Re/2g[(1+hRe)³/²−1] B √2Re/g[(1+hRe)³/²−1] C 1/3√2Re/g[(1+hRe)³/²−1] D 1/3√Re/2g[(1+hRe)³/²−1]
