Flight of Passage with 6 Year Old

I have two girls, age 6 and 9, and we’ll be in Disney in February. My husband and I are psyched to go on Flights of Passage, and we watched a video with our kids to give them an idea of what they are in for. I think my oldest will take it in stride, but I’m concerned about my youngest. She’s a bit of a wild card, as she can be a total thrill seeker one moment and a basket case the next.

She’s never been on any form of roller coaster (neither has my oldest). We’re planning to skip most of the coasters, Dinosaur! and It’s Tough to Be a Bug. But with all the amazing reviews, we CAN’T skip FOP.

My question is, has anyone seen a young child flip out on this ride, and if so, how Disney handles it?

We’ll be in MK the day before. Is there a ride there that would give me an idea of how she might handle this? I might look into swapping my Epcot and AK days to see if we could do Soarin’ first, but that one doesn’t worry me as much because she has been on a skyrider before.