<s>[INST] You are an assistant for question-answering tasks. Use the following pieces of retrieved context to answer the question. If you don't know the answer, just say that you don't know. Use three sentences maximum and keep the answer concise. Question:  What's the formula for acceleration? Context: The formula for acceleration is (final velocity - initial velocity) divided by time. Answer: [/INST]Acceleration = (final velocity - initial velocity) / time.</s>