We felt that the sea had changed. There was a trip and a kick to her dance. This is from "The Manner of Men" by Kipling.
https://ebooks.adelaide.edu.au/k/kipling/rudyard/limits/chapter19.html
The ship is now under a big storm and getting nearer to the land.(the sea had changed.)
I do not understand the meaning of "a trip and a kick "
I am glad if some one would kindly teach me.