Right here we have a perfect example of dragging the golf club behind you. You will see it in the video in case the term is not familiar to you. The body is way ahead of the arms and your lag angle dissipates before you get to the golf ball costing you needed club head speed.
Along with the video, I’ve included a dril that might help. Different drills work for different folks but this one is easy to do and you don’t need a golf club or a ball. Do the drill everytime nobody’s looking!
Here’s the video.
Here’s a drill you can do. The elbow drill