VOICED: WorldÕs fastest man meets his match

Usain Bolt, the world's fastest man, has adopted a cheetah, the fastest animal, found alone in a national park. He named it Lightning Bolt and humorously admits it might be faster than him. Bolt is in Africa for the first time, promoting an environmental charity to preserve ecosystems. He pledges $3000 annually for the cheetah's care, ensuring its future.

What nickname did Usain Bolt give to the cheetah?

What was the purpose of Usain Bolt's visit to Africa?