Draw a graph between terminal velocity of a spherical body and square of its radius?

The nature of graph between terminal velocity of spherical body vs the square of its radius is

The nature of graph between terminal velocity of spherical body vs the square of its radius is

Which of the following diagram correctly shows the relation between the terminal velocity V_(T) of a spherical body falling in a liquid and viscosity eta of the liquid ?

Terminal velocity (V) of a spherical object varies with a radius of object (r) -

Terminal velocity (V) of a spherical object varies with a radius of object (r) -

For a body of given mass graph between velocity of the body and its linear momentum is

Derive the expression of terminal velocity of a body in liquid.