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> Sure you could say all velocities need to be in m/s, but if all your control laws for higher speeds which have been fined tuned through 10s of years of work utilize Mach Number in the calculations is it safer to update all the controls laws or just do a conversion?

Mach Number is a dimensionless ratio; I don't understand what that could have to do with velocity units? (Any units used in its calculation have cancelled-out by that point)




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