Recent Examples on the WebJust as speed tells you how fast your position changes, acceleration describes how your speed changes in meters per second per second (m/s2).
Popular Mechanics Editors, Popular Mechanics, 15 Sep. 2019 In the vertical direction, the ball starts with zero vertical velocity and then accelerates downward at 9.8 meters per second per second (due to the gravitational force).
Adam Rogers, WIRED, 10 July 2019 And, though the acceleration produced is small (1mm per second per second), there is little in the vacuum of space to slow the craft down.
The Economist, 21 Sep. 2017
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