Melissa is working on the roof of her house. She drops a hammer and a nail. Why do both objects hit

the ground at the same time?(1 point)
Velocity causes both objects to fall at the same rate.
Earth’s gravity causes both objects to fall at the same rate.
Air resistance causes both objects to fall at the same rate.
Drag causes both objects to fall at the same rate

Earth's gravity causes both objects to fall at the same rate.