14 Here is a speed-time graph. Speed (m/s) 5 4 3 2 1 0 0 2 6 Time (7 seconds) (a) Work out an estimate of the gradient of the graph at = 3 (b) What does the area under the graph represent? 8 10 (3)​

14 Here is a speedtime graph Speed ms 5 4 3 2 1 0 0 2 6 Time 7 seconds a Work out an estimate of the gradient of the graph at 3 b What does the area under the g class=
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