That's a weak argument. What if the kid hits someone pulled over in the shoulder at 150 vs the old lady who would only hit them at 40? Both are in the wrong and both probably shouldn't be driving.
Also in your first case there is a thing called inertia. "Only 40km/h difference", doesn't necessarily mean less lethal: A crash between two cars going 150 and 110 in the same direction isn't going produce anything close to a crash between a car going 40 and zero despite having the same velocity differential.
Last edited by Jude; 05-12-2015 at 04:41 PM.
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