The weight of the air doesn't really matter, as it's much much smaller than weight of the water it displaces. The main factor is the shape of the bubble, which is the same at different depths. So the bubbles should rise essentially at the same rate regardless of pressure.
TheKingManBear t1_irrafrd wrote
Reply to comment by crazunggoy47 in How fast do bubbles rise in water? by crazunggoy47
The weight of the air doesn't really matter, as it's much much smaller than weight of the water it displaces. The main factor is the shape of the bubble, which is the same at different depths. So the bubbles should rise essentially at the same rate regardless of pressure.