logging distance, speed, acceleration data

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Hi

to make the VTech software report

What is VTech?

teach my students how to interpret
distance-time, velocity-time, and acceleration-time graphs

You mean along current movement direction(scalar values)?

Some info:
Vdrift is using the Bullet Physics engine for the simulation. This means you have a first-order integrator(semi implicit euler). It is oblivious of acceleration as such, but the value can be calculated from the velocity delta of course.

How are your programming skills? I could hack a patch to enable logging in form of a comma-separated values file(csv):
Acc,Vel,Dist
0,0,0
...