This is the full sequence of the popup.
https://drive.google.com/open?id=1lbHQt ... anXy1e3KZe
Another wave I caught
https://drive.google.com/drive/folders/ ... MHYDLDD8GJ
As I wasn't in the right section of the wave, I think I was trying to gain speed by shifting my weight into my front foot but as you can see, that didn't help at all and I've slowed down.