If the gravitation field in the space is given as \( \left( -\frac{K}{r^{2}} \right) \). Taking the reference point to be at \( r = 2 \, \text{cm} \) with gravitational potential \( V = 10 \, \text{J/kg} \). Find the gravitational potential at \( r = 3 \, \text{cm} \) in SI unit. (Given, that \( K = 6 \, \text{cm/kg} \))
