A road is $10\, m$ wide. Its radius of curvature is $50\, m$. The outer edge is above the lower edge by a distance of $1.5\, m$. This road is most suited for the velocity ..........  $m/\sec$
  • A$2.5$
  • B$4.5$
  • C$6.5$
  • D$8.5 $
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