This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Ballistics, Subject name: Forensic Medicine
[{'content': 'The capacity of a bullet to cause maximum destruction lies in its: \nSelect and explain. \nA. Size, B. Shape, C. Weight, D. Velocity', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Velocity of the bullet is the main factor that determines the damage of tissues.', 'role': 'assistant'}]