Luckily some of the lessons have the handy dandy versions at different metronome speeds. I like those a lot. Might even make list of all the ones that have it to make a slow/fast practice routine.
cheerio
for example, here’s a page with Soldier’s Joy at varied speeds in the play along tracks part of the lesson:
/beginner/1-8-the-high-and-low-second-finger/soldiers-joy-beginner-version/