Suzie Lavtaski skiing north, has reached the end of the ski slope and abruptly decelerates from 29.0 m/s to 4.0 m/s in 1.25 seconds. Determine Suzie' acceleration and her displacement during this braking period.

here we know that ball will drop down by total distance 3.2 m

so here we know that

now using kinematics

now in the same time it will cover horizontal distance of 0.75 m

so speed of the ball will be

because if the tool that you are using is not balanced it there would be false mass.