Speed-Time Graphs

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A speed-time graph shows the speed an object travels over a specific period of .
When an object is moving with a constant , the line on the graph is horizontal.
When the horizontal line is at zero velocity, the object is at .
When an object is undergoing constant acceleration, the line on the graph is straight but .
The steeper the line, the greater the of the object.
The line is steeper than the line because it represents an object with a greater acceleration.
A line sloping downwards represents an object with a constant i.e. it is slowing down.