kenloh, actually your calculation is not wrong. it is part of the solution if you treat the problem as 2 parts.

first part would be travel against gravity from 0 position back to 0.
second part would your 1.385s where the ball travel from 0 to 65m with the help of acceleration.

first part should give u solution of 8.xx seconds.
add up with second part and you will get the final solution.