If V is the design speed in km/hour and R is the radius of the curve of a hill road, the superelevation
(A) e = V / 127 R
(B) e = V² / 127 R
(C) e = V ²/ 225 R
(D) e = V / 225 R
(A) e = V / 127 R
(B) e = V² / 127 R
(C) e = V ²/ 225 R
(D) e = V / 225 R