A) Expanding. We know this because it has a similar effect with sound. When a car goes by the pitch gets deeper and deeper. It's because you're receiving less waves. Same thing for light but instead of a pitch it's light, and the farther spread the waves - the redder, the closer and more contracted - the bluer
Is there any numbers to your question? Keep in mind, the energy is conserved in a pendulum. Here’s more information: https://blogs.bu.edu/ggarber/interlace/pendulum/energy-in-a-pendulum/
Non profit organization planned a marathon through which the money was raised for the vaccinations help, hence; here they are showing the original funding source, that is the number of runners and the amount raised by them.
