Please choose the correct answer to the question: A student pushes a shopping cart filled with groceries. The cart has a mass of 12 kilograms (kg). The student pushes the cart with a force of 15 newtons (N). Assuming the ground is frictionless, how fast will the cart accelerate until the student stops applying the force?

Answer1: 0.625 m/s^2 Answer2: 0.8 m/s^2 Answer3: 1.25 m/s^2 Answer4: 2.5 m/s^2

Answer format: answer1/answer2/answer3/answer4