1st experience at Cross-Fit "On ramp" class...wondering, "is this normal?"

I finished 5 prerequisite personal training sessions at my local cross-fit gym before they would let me take my first on-ramp class. I mostly enjoyed the personal sessions, especially learning the olympic lifting techniques. And I liked the trainer. But the one on-ramp class I went to, I thought was pretty terrible and it didn't make me ever want to go back. I'd like to know if this experience sounds normal to you experienced people, or not.
That day there were two classes happening at the same time--a regular CF and the onramp class and they kind of merged together...it was loud, chaotic, and hard to hear (for me). The leader knew that I was brand new and older (I'm 52) but I hadn't worked with him before.
There was a warm-up (running around the block), a bit of unstructured rolling around on foam rollers, a bit of lifting a pvc stick, then an aerobic-y circuit of rowing 500 meters, 10 "double-unders" (jump rope) to which I was "WTF?" and left me with a bunch of red welts on the fronts of my shins, and 10 wall-balls if I have the jargon right. The instructer told us to do this series of exercises in sequence, switch off with eachother, then repeat. There was no explanation, demonstration, or scale-back consultations offered which made me feel frustrated/embarrassed especially because I couldn't do the double-unders at all. Then when the workout was almost over he finally told me I was supposed to switch exercises when the other people switched, not when I'd completed the recommended number of reps. I think I screwed things up for the other people because I wasn't doing it right. After the workout was done I started feeling more angry about the whole thing, it was kind of a bad experience and shouldn't have been. I felt like, "why would I want to spend $150/mo to do a disorganized, half-assed deal that makes me feel like a failure like back in high-school PE class?"
I called the club co-owner and he apologized saying that trainer was new and that I should come back in and try it again, with him as the instructor. But I'm having a hard time getting myself to go. I wanted to feel successful at this first class to give me a boost of confidence. But the first class had the opposite effect and I'm doubting this could magically turn-around. I tend to be on the deliberate side, I don't have a high "kinesthetic intelligence", and I don't like to feel pushed to go faster than I want to go (which isn't fast).
Is cross-fit just not for me? If not, is there any other way I can get the experience of weight lifting that isn't solitary, but that doesn't cost $50 or more an hour?
I'm a quitter...but I'm back now.