Here are the links to 2 audio files.
This is the thump I hear while decelerating then it thumps again when i accelerate shortly after.
https://www.dropbox.com/s/l8apmib77u...accel.mp3?dl=0
Here's one with the thump then a new loud clank.
https://www.dropbox.com/s/c0hio2fvce...clank.mp3?dl=0
I just spent a lot of $ on audio recorders, microphones, and a gopro to document as much of this as best possible just in case. I tested the audio recorder on my drive home from BestBuy and it's very clear what I hear exists.