To talk just a bit more on wind resistance and to show my intelligence, my son and I had the opportunity to be around and work on a "Legends" salt flat car. Scott Law (chipmaker)'s father Joe, I believe, is building his next car.
One of the first things I noticed was the shear mass they were adding to this thing. This is a race car right? Well the class Scott is shooting for does not allow any wings or extra wind devices. You have to run as it was offered I guess. To combat the forces of the wind at the extreme speeds these things are going, they are adding LOTS of mass. The firewall is something like an inch thick. Stability is the main reason for wind control which boils down to safety.
Yes, that extra mass has to be accelerated to that speed, however, the salt flats are not an acceleration only test.
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