Why is this considered to be a paradox

https://www.youtube.com/watch?v=jd6MWUl9Rmc

Our text discusses a famous paradox from ancient Greece, the so-called sorites paradox. The Greeks (as well as many other ancients) were interested in paradoxes because they seemed to present unresolvable logical or mathematical difficulties but which nonetheless (so they believed) must admit of solution.

Zeno was among the most famous of the Greek thinkers who pondered these paradoxes. Take a look at the video (above) which is about the paradox of Achilles and the Tortoise. Then answer the following the following questions: No essay style. just answers needed.

1. 1. Why is this considered to be a paradox?
2. 2. What is the reason that Achilles can't just run faster and pass the tortoise?
3. 3. Reconstruct the argument that the paradox contains by using standard reconstruction format (P₁, P₂, P₃, etc., C).
4. 4. Do you think paradoxes are useful or useless? Give your reasons.

You may also wish to take a look at the Wikipedia article on Zeno's paradoxes.https://en.wikipedia.org/wiki/Zeno%27s_paradoxes