You are given a short paragraph, a question and two choices to answer from. Choose the correct answer based on the paragraph and write the answer(not the key).

Paragraph: For a given medium, sound has a slower speed at lower temperatures.
Question: If Jim turns the thermostat down in his room while listening to music, what will happen to the speed of the sound waves in the room?
Choices: A)they will speed up
B)they will slow down
they will slow down