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Acceleration-time graph

The acceleration-time graph shows the time $$t$$ on the x-axis and acceleration $$\vecphy{a}$$ on the y-axis. As with displacement-time and velocity-time graphs, the object is assumed to undergo linear motion.

The area under the graph gives the increase in velocity between two particular points in time. If the movement started from a stationary position, the sign of the total area indicates the direction of the movement (forward or backward).

The overall increase in velocity is equivalent to the area under the graph.