[yummyfajitas]

Similarly, I feel that a car shouldn't drive too fast. If it does drive too fast then a human running after it might be unable to catch up!

[parenthephobia]

This seems flippant. If a car is fast we generally understand why. We don't need to worry that under some rarely-encountered combination of circumstances it will unexpectedly do a handbrake turn and open the fuel cap.

[brudgers]

Speed limits on public roads place legal limits on the operation of automobiles. Rules in formula racing place limits on the speed which race cars can travel.a