Question: Get area under curve from spreadsheet data

If I have spreadsheet data, x and y (velocity and time), I need to find distance.  I see numbers of ways to do this, however, I wonder what people would suggest as the fastest / easiest way.  I'm not needing a function really, just results.  Does Maple have tools to simplyify this process, and if not, what process(s) might yield results of determinable or selectable accuracy.  I will have many sets of data in the future that need to be manipulated in this way.  It would also be in the future, helpful, to have functions.  The curve fitting assistant produces piecewise functions for the curve I am currently observing.
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