What does HackerNews think of kitematic?
Visual Docker Container Management on Mac & Windows
The end result is that if you run Docker on Windows with Hyper-V alone it's using Window filesystem and then "translating" this for Docker therefore making the whole process of accessing the files incredibly slow.
I used to work with docker using Docker Kinematic (https://github.com/docker/kitematic) in the past, which basically was a Virtual box with Docker installed inside this VM, and since the VM was some kind of Linux, it worked reasonably well.
The same seems to be the case when using WSL2 - you run VM and Docker inside this VM, removing the file sync/translation part out of the equation, resulting in speed boots.
There was Kitematic for Docker, I think it was independent, but it's owned by Docker now and they shut it down. https://github.com/docker/kitematic