If G is gauge in meters, V is speed of trains in km/hour and R is radius of a curve in meters, what will be the equilibrium superelevation? 

1
\(\rm \frac{GV^2}{R}\)
2
\(\rm \frac{GV^2}{17R}\)
3
\(\rm \frac{GV^2}{127R}\)
4
\(\rm \frac{GV^2}{130R}\)

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