TASK 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.
PROBLEM: Question: A car that is very heavy will accelerate 
 Answer: slower

SOLUTION: The greater the mass of an object, the less it will accelerate when a given force is applied.

PROBLEM: Question: Do gas engine cars pollute more or less than electric engine cars? 
 Answer: more

SOLUTION: Plug-in hybrids run for a longer time on electricity and so are less polluting than regular hybrids.

PROBLEM: Question: By filling up a party balloon with slower moving Helium particles from a gas cylinder as opposed to faster ones, would the temperature of the balloon be 
 Answer: lower?

SOLUTION:
When particles move more quickly, temperature is higher and an object feels warmer.