![]() Or may slope down if the angle that defines the direction is decreasing. Or curved if the direction is changing at a rate which grows or shrinks.Įach piece may slope up if the angle that defines the direction is growing, In direction, then the graph is a connected series of pieces of line.Įach piece may be straight if the direction is changing at a constant rate, In speed only, then the graph is a straight horizontal line, since direction If the graph shows direction vs time, and the acceleration is a change If the graph shows speed vs time, and the acceleration is a change inĭirection only, then the graph is a straight horizontal line, since speed is In speed, then the graph is a connected series of straight-line pieces.Įach straight piece slopes up if speed is increasing, or down if speed ![]() If the graph shows speed vs time, and the acceleration is a change Ĭontinuous change of speed or continuous change of direction. ![]() It also depends on what kind of acceleration is taking place. That depends on what quantity is graphed.
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