Is this the pony who generously gave Applejack golden coins for buying her apple pie? I think she's a little lucky and I can also say thanks to Rainbow Dash for saving the pie. He is the only Wonderbolt who likes it.
Just know that is does usually takes more patience to make vector art in contrast to regular art, depending on what method you use of course. If you wanna make art or whatever, I recommend doing it your way, if that is vectors, then do that
Personally I have no idea. It hasn't been mentioned in the show, but I would believe the Wonderbolts are much older than for example the main cast. But as I said, no one knows... unless you ask Lauren that is