Use the arrow keys to control angle and speed, then press space to launch the monkey. Capture all 3 bananas and see how few launches you can use. Good luck!
This exercise is from the book "Coding Games in Scratch" by Jon Woodcock and published by DK/Penguin/Random House Adapted by Tim Lacey for Coder Squad at Sunset View and Coder Club at Dana Middle School in San Diego, CA