A cargo vessel takes on additional cargo. Its speed is 20% lower and its kinetic energy is 10% lower than before. What is the percentage change in its mass?
An increase of 12.5%12.5\%12.5%
An increase of 56.3%56.3\%56.3%
An increase of 40.6%40.6\%40.6%
An increase of 30.0%30.0\%30.0%