Questions regarding the boosters or thrusters used to propel man-made objects. For rockets firing opposite the primaries, see [retrorockets]. See wiki for other related tags.
For the equation used to calculate the exhaust velocity needed to achieve a specific delta-v, see rocket-equation
For sub-orbital rockets used for scientific measurements, see sounding-rocket
For rockets which utilize a solid and liquid propellant, see hybrid-rocket
For questions about rockets exploding, see rocket-explosion
For rockets affixed to a sled for acceleration testing, see rocket-sled