Decide Whether the Following Problem Can Be Solved Using Precalculus

Decide whether the following problem can be solved using precalculus, or whether calculus is required. If the problem can be solved using precalculus, solve it. If the problem seems to require calculus, use a graphical or numerical approach to estimate the solution. Find the distance traveled in 16 seconds by an object traveling at a constant velocity of 20 feet per second.

A) calculus, 320 ft
B) calculus, 340 ft
C) precalculus, 320 ft
D) calculus, 640 ft
E) precalculus, 640 ft