Should I quit Cheer Leading?

So I was in little kids cheer leading for about 4 years and REALLY liked it,and was really good at it. But I am now going to go into 8th grade and they had try-outs now I was like what the heck so I tried out. I made Mascot. Yeah... At first I really wanted to be mascot that's why I tried out. Now when I heard that's what I got I cried my eyes out. Then we went to our first meeting. I was over it by then and they said. Hey we think it would be more fair if you all switched being mascot... And I was like umm.. Ok... So now I'm a cheer leader and I suck at it. I'm not like I was when I was little. Now I forget the cheers,I'm Slow on the movements,Don't Smile,and just don't get it. Today was the first day of cheer camp. We had to do lots of cheers and etc... I messed up quite a bit. And our coaches kept looking at me... I know they think I suck and they point out all my flaws in front of everyone even tho I am not the only one that messes up. I would rather keep counts for everyone and be like a manager.. Not a cheerleader. Do you think I should wait to quit or what.....