It depends on individual abilities of the trainee. Good physical preparation, additional skills in other kinds of sports will help to accelerate training process. Usually, training lasts about 2-3 hours a day. The average trainee starts going during the 8-10 hours. Then you should practice and...more practice. It is useful to take the instructor from time to time to correct your techniques or to learn new elements.

If weather conditions allow to practice every day, fast progress is quite real for one week.