Definition: In this task, you are given a question and answer for that. The answer will fill in the blank or will complete the unfinished question. Your task is to provide an explanation based on the given question or fill-in-the-blank statement, and answer.
Input: Question: On a winter day, a person notes during a science project that the reactants have less energy, so they are now moving 
 Answer: slower
Output:
At higher temperatures, particles of reactants have more energy, so they move faster.