An object is dropped off the roof of a building. The function h(x) = -16x^2 + 64 models the height, h(x), in feet, of the object above the ground x seconds after it is dropped. What is the best description of the meaning of h(2) = 0 in terms of the context?

h(2) = 0 means that the object has reached the ground 2 seconds after it was dropped from the roof of the building.