In the Bernoulli equation for unsteady, compressible flow, what does the term ∫∂V∂t ds represent?
A) ∫∂V∂t ds is a term representing compressible effect.
B) ∫∂V∂t ds is a term representing potential energy.
C) ∫∂V∂t ds is an unsteady term.
D) ∫∂V∂t ds is a term representing kinetic energy.