The correct answer is A. Faster
Step-by-step explanation:
Sound, which is composed of vibration, travels through waves. Additionally, the speed of sound waves is affected by the medium and the density of it. Indeed, the denser the medium is the higher the speed of sound is. For example, in the air, the speed of sound is around 343 meters per second while in water and similar liquids that have a higher density the speed is approximately 1500 meters per second, and this speed increases if the sound travels through a solid. This occurs because in dense substances particles are closer, and therefore waves can travel faster. Thus, in a denser medium will generally make a sound wave travel faster.