today I got my 5th Lucid Dream.
I was standing when I realized and performed RC. Then I just started walking, and suddenly I was somehow accelerating and then I fel on stomach, but I didn't fall. I started to fly straight for few seconds, and then I was pulled back so hard and smashed into building (???)

The flying wasn't on purpose, it just happened and I couldn't resist that force.. (but I was aware)
I dont know what that was....
Anyone experienced something similar?