improving for national tournament

hi.. im 35 and i wanted to compete in 50m butterfly event in upcoming national tournament. my timing is 36sec .. how could i will be able to finish on a time of 30sec 6 seconds is a lot to expect to drop in a 50! I dropped ~1.5 seconds in the 50 yard fly in about 2 months by following the guidance offered in episodes 6 through 12 of this videocast: swimcents.com/.../

hi.. im 35 and i wanted to compete in 50m butterfly event in upcoming national tournament. my timing is 36sec .. how could i will be able to finish on a time of 30sec 6 seconds is a lot to expect to drop in a 50! I dropped ~1.5 seconds in the 50 yard fly in about 2 months by following the guidance offered in episodes 6 through 12 of this videocast: swimcents.com/.../