Lol! Hopefully it's something she'll grow out of (?). Could be something in her food she's just sensitive to. And if you've recently changed her food, that sure could do it.
I had a young brittany pup that could fart bomb with the best of em, like every 30 seconds. We were opening windows in the dead of winter! Turns out he was allergic to a couple ingredients in his food. We changed it & it stopped. But they do get embarrassed!