as little as 0 mph
Optical illusion or possibly spinner wheels that are. Therir centers are freewheeeling.
yes it makes your car go really slow
Possibly thermostat is slow in opening.
To make the car go or slow down.
Gravity.
Quite possibly.
you go onto first gear
pretty sure its friction
it went 5 miles per hour
Could be in need of a good tune up.
It will go faster because if you have a small/non-steep ramp the car will go slow and the ending point wont be that far, but if you have a ramp that is bigger/steeper the car will go faster and the ending point will be far.
Caution, it is a vehicle that must go slow for some reason.