Air flow in a flip-flop

Hello, im new to solidworks and i'm working on a project which is the air flow in a flip-flop. I want to know how does the air flow when there's air supplied to one of the control, AND IF IT STAYS THE WAY AFTER THE AIR SUPPLY INTO THE CONTROL CUT OFF. I designed the flip-flop but i have no idea how to continue in flow simulation even after i studied and learnt from youtube. I keep on getting the warning "Maximum mach number exceeded".

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