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# A race car starts from rest on a circular track of radius 450 m. The car's speed increases at the constant rate of 0.900 m/s2.

A race car starts from rest on a circular track of radius 450 m. The car's speed increases at the constant rate of 0.900 m/s2. At the point where the magnitudes of the centripetal and tangential accelerations are equal, determine the speed of the race car.