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Jan 6, 2020 at 12:40 vote accept Christoph
Dec 25, 2019 at 11:45 comment added Michael @RichardSilvera: Only true if they were coasting. But in this case the main engine was still running, so the boosters were dead weight and drag.
Dec 24, 2019 at 22:41 comment added Christoph That might actually make sense! It would be great if we could find some data on the height while separation occurs for the one engine centaur and the used two engine centaur with the lower flight profile. Or even better the dynamic pressure at booster separation.
Dec 24, 2019 at 21:49 comment added Richard Silvera If there was still some aerodynamic drag the extra mass without much additional drag would reduce the loss of velocity.
Dec 24, 2019 at 17:55 history answered Schwern CC BY-SA 4.0