An elevator travels down from the top floor of a skyscraper. Its height, in feet, is given
by the equation h = 1250 - 25t, where h represents the elevator's height, in feet,
and t represents the time, in seconds. What could the number 25 represent in the
equation?

A) How long it takes for the elevator to reach the ground floor.

B) The elevator's final height.

C) The change in the elevator's height for every one additional second.

D) The elevator's height after one second.