Solve the following question given below:
Question: A roller coaster at an amusement park has a dip that bottoms out in a vertical circle of radius 11.0 m. A passenger feels the seat of the car pushing upward on her with a force equal to three times her weight at the bottom of the dip.
Question 1: What is her speed as she goes through the dip?
I need help to solve the above question and thanks in advance.