The curved section of a horizontal highway is a circular unbanked arc of radius 740 m. If the coefficient of static friction between this roadway and typical tires is 0.40, what would be the maximum safe driving speed for this horizontal curved section of highway?
A) 52 m/s
B) 46 m/s
C) 54 m/s
D) 50 m/s
E) 48 m/s
