Judging by the 2U and 4U paper...
Loan repayments was asked in 2U, so it probably wont be asked in the 3U paper. Also, 4U contained a bit of binomial probability so it is likely that the 3U paper won't contain such probability questions. 2U contained quite a bit of probability as well, so maybe there will be no probability in 3U this year?
So likely hard topics are: Projectile motion and Simple Harmonic motion. And probably some hard rates of change question.
Loan repayments was asked in 2U, so it probably wont be asked in the 3U paper. Also, 4U contained a bit of binomial probability so it is likely that the 3U paper won't contain such probability questions. 2U contained quite a bit of probability as well, so maybe there will be no probability in 3U this year?
So likely hard topics are: Projectile motion and Simple Harmonic motion. And probably some hard rates of change question.