On Sunday, December 22, 2019 at 7:24:17 PM UTC-5, kinsell wrote:

Read the comments on Amazon before wasting your time on this. A very
substantial rewrite of history, in order to push a political agenda.

The very capable and athletic young WOMAN in the movie is a fictional character. Once the balloon is aloft, the male scientist help her remove her corset and then she gets into her rain gear right before they fly into a cloud.