How high off the ground is a 96 kg object that has a gravitational potential energy of 4,774 J?

the only real purpose of sputnik 1 was to beat the us into space. we were getting close to launching a useful satellite, explorer 1 - which launched on january 31, 1958. the ussr had to beat that, so they launched sputnik 1 on october 4, 19

i think it would be 5

the right answer is 0.3 meters per second