Gotta zui fast.

All that ₍₍ (ง ˘ω˘ )ว ⁾⁾ paying off

34.5 knots brand new verses 28 knots and slightly over ten years of naval service.

All that additional horsepower has to go somewhere...

Kaga's the only carrier that can't reach Max Speed even with all turbine-boiler setting. Other carriers can, not just Zui.