i think an open practice would probably get you back up to a decent speed. i think they claim you can sit in on the penquin school anytime you want though after you take it. if you decide to do the open practice bit, be sure to ask any questions you might have. and remember that youre still very early in the learning curve and that speed will come. work on being smooth, and concentrating on what youre doing. dont race. and most importantly, have fun and enjoy yourself!
jc