On Thu, 2 Nov 2000 12:25:20 -0600, you wrote:

>
>     When linear extrapolation is extended over large ranges
>the choice of dependent variable becomes important.  In the
>case of running records, plotting race time vs calendar
>time eventually produces meaningless results as witness
>below.  It is better to take average speed as the dependent
>variable.  Then the achievement of zero elapsed time is
>infinitely far off.  Before anyone "breaks 00:00:00",

Maybe we already achieved 00:00:00 and blew right by
it without anybody noticing-
I keep hearing stuff about negative splits :-)


RT

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