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ShelfordPrefect t1_irreqr9 wrote on October 10, 2022 at 1:54 PM

Reply to comment by mfairview in How fast do bubbles rise in water? by crazunggoy47

The upwards force from buoyancy is proportional to volume and the difference in density, drag is complicated but largely proportional to cross sectional area and shape. The best thing would be a light, long and narrow, streamlined torpedo shape.