How do I extrapolate a point from a generated graph.

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Cheng-Han Yang
Cheng-Han Yang 2019-4-21
评论： Star Strider 2019-4-21
So this is the question
The velocity (ms-1) of a car is measured every minute for 24 minutes and recorded as:
vel = [0 .45 1.79 4.02 7.15 11.18 16.09 21.90 29.05 29.05
29.05 29.05 29.05 22.42 17.9 17.9 17.9 17.9 14.34 11.01 8.9
6.54 2.03 0.55 0];
How long did the object take to pass 250m?
I have successfully generated a time against cummulative distance graph, but I'm stuck now.
Many thanks

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Star Strider
Star Strider 2019-4-21
The easiest way is to use the interp1 (link) function to get the time when the car has travelled 250m.

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