![I hear about the 'slingshot effect' to speed up spacecraft. Is it possible to do the opposite - to slow down spacecraft? - Quora I hear about the 'slingshot effect' to speed up spacecraft. Is it possible to do the opposite - to slow down spacecraft? - Quora](https://qph.cf2.quoracdn.net/main-qimg-39562c9f1bf87a991d873622971f79ca.webp)
I hear about the 'slingshot effect' to speed up spacecraft. Is it possible to do the opposite - to slow down spacecraft? - Quora
General - Using planets gravitiy to speed up the ships. Slingshot Maneuver. Hear me. | Frontier Forums
How does a space craft gain speed in a slingshot maneuver for a trip to the moon? Does it not take just as much energy to climb back out of the gravity
![Q: How does a gravitational sling shot actually speed things up? | Ask a Mathematician / Ask a Physicist Q: How does a gravitational sling shot actually speed things up? | Ask a Mathematician / Ask a Physicist](https://www.askamathematician.com/wp-content/uploads/2010/05/galileo-trajectory-browse.jpg)