Higher November 2017 Paper 2 Q10

EdexcelCurrent spec3 marksDrawing & Using Graphs

10 Here is part of a distance-time graph for a car’s journey.

Distance-time graph with Time (s) from 0 to 80 and Distance (m) from 0 to 600: straight line segments from (0, 0) to (20, 360), from (20, 360) to (60, 560), then horizontal from (60, 560) to (80, 560)
(a) Between which two times does the car travel at its greatest speed?
Give a reason for your answer. (2)
(b) Work out this greatest speed. (1)
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