Computing MPH

[Arnaud Westenberg]

Greg Hermann wrote:

> >What is the mathematics involved.  And does the Sampling rate of the G
> >sensor make a difference or are we just concerned about the average G's and
> >the time?
> 
> You basically need to integrate G over time to arrive at velocity (MPH).
> The quicker the sampling rate, the more accurate the result.

I'd be more concerned with signal offset. You need to (software)
calibrate zero acceleration else there will be a huge accumulated error
in your calculations.

Regards,

Arnaud
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