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In summary, given that all drivers drive a path radius sharper than the roadway curve and given than most drivers cannot tolerate lateral accelerations much greater the 0.3 g's, a more realistic critical speed calculation should take these expected characteristics into account to arrive at an expected loss of control speed.

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In solid mechanics, in the field of rotordynamics, the critical speed is the theoretical angular velocity that excites the natural frequency of a rotating object, such as a shaft, propeller, leadscrew, or gear.