50.5cm= 0.00505hm
Hope this helps!
As you approach the event horizon, your body would be pulled towards the black hole. It's a process called sphagettification.
As for what you see, that is hard to explain without showing a video, at least for me, but you would see this black hole (ha) and whatever is outside starts to flatten and condense (from your POV) then you would fall into the black hole and then it's complete blackness.
Answer:
it comes from your knowledge and the information you have to get the reason why that is the answer so you are putting together things that you already know what the new information you have
