How do I solve differential that is not w.r.t time in simulink?

I have this differential equation which is with respect to volume not . I am in confusion how to solve this equation as simulink solve differential equation with increasing time step.

Anyone please help me here.

Answer 1

[cr]

Can we consider dX/dV as (dX/dt) / (dV/dt) to set up a regular simulink model.

Regards