Which of these equations is solved by the PISO algorithm in the extra corrector step?

Which of these equations is solved by the PISO algorithm in the extra corrector step? Correct Answer Momentum equation

The initial pressure guesses are obtained from the momentum equation. This pressure field is used to get the velocity field approximations. This is corrected in the first corrector step using the pressure-correction equation. It is again corrected using the momentum equation in the second corrector step.

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