/ Ascending a dynamic rope
I've practised ascending short sections of free hanging dynamic rope before and didn't find it too bad.
once your weights on it its not much different, except as you say any sawing action but even thats not too big a deal.
what is noticeabble is that statics are usually more rugged in texture than, say, a dry treated climbing rope. they often too have a coarser mantle weave, so ascending a dynamic on prussic cord may not have the bite a static does.
on a dynamic ive done at most about 30m free-hanging(tho that was 9.2mm), but on a semi-static did 60m once for an evaluation (with a shunt and indian foot loop).
Obviously protecting the rope from abrasion at the top is absolutely citical. Other than that, you're prusiking away for a surprisingly long time before you actually leave the ground*, after that it's pretty normal.
* assuming you're starting from the ground
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