Given the question: You are presented with the question "The decline of speed is associated with what?" and the following answer choices: - an object gaining energy - a lot of human deaths - decrease stamina - hyperthyroidism - an object losing energy - an object gaining momentum - body temperature reduces - an object going faster Now knowing that friction causes an object to lose energy and friction causes the decline of speed, choose the best answer.
The answer is:
an object losing energy