//Given that
h = 8.5  //in meter\
g = 9.8  //in m/s^2

//Sample Problem 8-3
printf("**Sample Problem 8-3**\n")
//Using conservation of energy
//Change in Potential energy = Change in Kinetic energy
//m* g* h = .5* m* v^2
v = sqrt(2* g * h)
printf("The velocity of child at the bottom will be %fm/s", v)