I am thinking: but the inertia moment of the wheels?
and the gearbox (or only the differential) losses?
The inertia wheels, isnt' a big problem: it is possible to add an ipotetical additional mass at the car, this system, translate up the total curve of deceleration.
But the losses from gearbox?
I have serch in the internet for to look the course of curve of loss for to know if it is liear or exponential.
ah, after indagation, I discovered that the rolling resistence isnt' constant, but in functio of speed:
Rr= F+K*Speed
F= Crr*Mass
K=???
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