We are #SpaceEnablers. We build the most reliable launch vehicles and we are developing Ariane 6. Get your space gear! 
http://bit.ly/SpreadshirtAri …
You can add location information to your Tweets, such as your city or precise location, from the web and via third-party applications. You always have the option to delete your Tweet location history. Learn more
The change in Rocket velocity during the stages of fuel burn 
Being honest I'm still learning about these equations and took a guess - over the summer holidays I will have lots of time to try & memorise them 
No worries, it's just fun and trying out. 
Twitter may be over capacity or experiencing a momentary hiccup. Try again or visit Twitter Status for more information.
We’re winding up this month with our traditional formula quiz. We look forward to reading comments with all your explanations about how this formula is useful for rocket scientists.
