> And not because, oh, I don't know, it's 100x smaller mass has 
> significantly lower inertia to overcome in the first place?

That's only important once you get up to a high enough speed that you can't 
overcome friction (about 10-20 mph in road cars, 60 mph in fast cars, up to 
100 mph in racing cars).  Before that coefficient of friction is the only 
thing that matters.

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