Find the acceleration for an airliner that takes 20.0 seconds to increase its velocity from a standing start to 80.0 m/s (179 mph) during takeoff.
\(\text{assuming constant acceleration}\\ v(t) = a t+ v_0\\ 80~m/s = a~m/s^2 \cdot 20~s+0~m/s\\ a = \dfrac{80~m/s}{20~s} = 4~m/s^2\)
