c would be your answer because we can tell by using the equation for finding force so taking m*a lets pretend I weighed 10 kg on earth and earth's acceleration is roughly 10 m/s^2 so well use that, that means I would have a force on earth of 100N and if the acceleration is increased 2.5 times I would then have a force of 250N on Jupiter which roughly translates to weight of 25 kg on earth making C the answer