[AccessD] OT Friday - Calculus Problem

I am just about to turn 64yo, and suddenly all this stuff is interesting to
me. Perhaps this might be characterized as some new disease, in which case I
might be able to bill the government for treatments, or at least some
academic attention LOL.

I follow your thread and approve same.

On Fri, Sep 30, 2011 at 12:28 PM, Doug Steele <dbdoug at gmail.com> wrote:

> I can do it but I can't explain it well :)
>
> if the position function is s(t) = -4.9t**2 + 200
>
> then the function for the change of position in time (the velocity) is the
> derivative of the first function (notice the apostrophe after the s).
>
> s'(t) = -4.9 * 2 * t
>
> solving for t= 4 gives you -39.2
>
>