That’s about the speed you can read text…it’s why pre-internet sites like BBSes weren’t all flashy, you had to keep it loadable. Actual downloads you would plan overnight and hope you didn’t lose connection. The first big breakthrough was resumable downloading where you left off. Huge.
I have a laptop that’s suffered from that for a while now, so it’s not just one update but a trend. Tried a number of things from clearing space to even a manual download on a USB to force it. It always reverts back to churning away trying to complete the update, restarting, and then reversing it. The irony is the laptop works fine until it comes time for it to check again, then repeat ad nauseam.