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When I want to duplicate an effect I always try and start with a few frames from the original shot and try and break things down. In your sample video, I see a minimum of 4 or five layers, motion tracking of some kind, perspective changes, and lots of motion blur. This is how I would start breaking down the effect:
Those are the minimum layers required to create this composite. If you have a moving camera you'll need to run some camera tracking on the shot of the actor. If you have a lot of perspective changes you will also need camera tracking or at least a comp camera. Fiddling with the actual breaking the sound barrier shock wave effect will require some masking, simulated motion blur, animated textures, and possibly a few other things. You'll probably also need a layer just behind the actor to make the actor look like they are in the middle of a 3D layer.
The actual workflow and techniques you use depend entirely on your shot. Planning and executing the shot is the most important part of the process. If you can't remove your actor or object from the background easily it's toing to take a lot just to get to where you need to be to get started.
Here is a fairly simple way to generate the shockwave effect with Fractal noise, Radial Blur, Corner Pin and Glow plus a track matte. You'll have to fiddle with your own settings.
Throw in some cloud layers and I'm about 90% of the way there with just a few layers.
Post a screenshot or sample of the footage you want to use and we can be more specific. I can think of at least a dozen more ways to generate that effect using AE standard set of effects.
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