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).
Q: Paragraph: When a volume of water is cooled, the molecules move less vigorously, so same number of molecules takes up less space and the water is denser.
 Question: When Shane goes swimming in warmer water, he can move about slowly, whereas in cooler water, Shane's movement is 
 Choices: A)faster 
B)slower
A:
faster