Which of the following statements describes acceleration from last week's lab (Lab 6)? Group of answer choices Acceleration is inversely proportional to the difference in masses and inversely proportional to the mass of the system. Acceleration is inversely proportional to the difference in masses and directly proportional to the mass of the system. Acceleration is directly proportional to the difference in masses and directly proportional to the mass of the system. Acceleration is directly proportional to the difference in masses and inversely proportional to the mass of the system