This story has lots of potential and I've enjoyed reading it so far. Aside from the pacing issues others brought up there are some grammatical and tense errors that can be easily fixed by finding yourself a pre-reader/editor or joining a group such as "School for New Writers".

her lips were locked into one of the strongest, most powerful kissed she had ever experienced.

"alright!" said Rainbow Dash

Are some of the errors in this chapter. As far as pacing perhaps lengthening the awkwardness between Fluttershy and Applejack in the first chapter? I'd like to see the conversation between those two when Rainbow first gets hurt as well. Keep up the good work and I hope to see an update soon

she just puked I'm probably thinking too much