On 9/5/2012 1:59 AM, scott wrote:
> On Mon 27/08/12 23:01, Patrick Elliott wrote:
>> Changes in forward motion, such as slowing down and speeding up, won't
>> have an effect, in principle.
>
> Won't speeding up and slowing down make the train swing out more or
> less? (Like going round a corner in a car, if you speed up it rolls more).
>
> In a rotating reference frame you'd be essentially turning even when on
> a straight piece of track, so I would not say that changes in forward
> motion won't have any effect.
>
Yes, to an extent, this is true. But, since the only angle its changing 
at is side to side, forward motion isn't going to have an affect 
*except* when making turns. If it was computing for motion in all 
directions, then it would be different.

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