Up to level top speed, the better climbing plane accelerates better. Looking at the planes given, based on level speed and climb rate, the order should be Tempest, P-47, La-5FN and Fw 190A-6 and the differences small. All true.
If you want bigger differences, don't dive vertically, use a shallow dive, and try higher speeds. Take a Fw 190A-9 and a Spitfire IX 25lb, start at 550 km/h at 1.5km altitude and dive them to a place 15 km away. Check their speeds.
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