Someone with practice at reading old cursive would likely be able to read a sample such as this one at least at a pace suitable for reading aloud. An expert, of course, could do it as fast as if it were their "native" script.

Here is an example of a non-expert compared to an expert reading aloud [0].

I learned cursive in school in the early 2000s, but I could never read my grandmother's handwriting. Whenever she mailed me a card, I would have to have my mom read it to me.

[0] https://www.youtube.com/watch?v=cRhDClIs8XE&t=165