December 31, 201311 yr I think that she's unhappy because they're faking it in a way. The rollercoaster probably isn't moving, there's just a fan blowing to make it looking like the wind is blowing in their hair, & she's just thinking, "they really aren't going to just let us ride. It's all fake, & when the act is over, we just get to get off", & she really is grumpy.
December 31, 201311 yr I feel sorry for the people who are actually contemplating whether this is real or fake.
Keep a grumpy face while the person behind you grips the bar in fear.