Answer:
dV/dt  = 1814,92 cm³/min
Step-by-step explanation:
Volume of the sphere is :
V(s)  =  (4/3)*π*x³   (1)     x is radius of the sphere
Differentiating in relation to time of equation (1)
dV/dt  =(4/3)*π*3*x²*dx/dt
Now we know dx/dt  = 0, 5 cm/min
And we have to  find  dV/dt  when  radius is 17 cm
dV/dt  = 4*π*x²*0,5
dV/dt  = 12,56*(17)²*0,5
dV/dt  = 12,56*289*0,5
dV/dt  = 1814,92 cm³/min