First-stage burnout speed was too low for orbit, I think. Telemetry peaked at 2,148 km/hour = 597 m/s – I don't know the nominal values but this seems non-viabl

First-stage burnout speed was too low for orbit, I think. Telemetry peaked at 2,148 km/hour = 597 m/s – I don't know the nominal values but this seems non-viable to me. (?)