The way I do it is that I hold in between the two seems with closed fingers and crack your arm forward like make an L with your arm sticking up, raise your arm and crack forward. Also when you are doing it you flex your muscle and stop flexing it when you release the ball you stop flexing and you throw as hard as you possibly could.
im 11 and with this technique i reach up to 60mph (96kph).
The best way to gain knowledge is to study, observe, and learn.
the best way to gain intrest in a sport is by playing it
You need to eat something, preferably sweet. That is the best way to survive! You can think of weight gain later on.
Complete the challenges
working on a bridge is the best way
Eat more
Try to stretch everyday
This is a question that is highly relevant to the sport of baseball. Generations of baseball players have found that the best way to change the velocity of a falling baseball is to catch it.
Learning from a mentor who is a baseball pitcher is the best way to learn good pitching skills. One can also teach themselves good pitching skills by watching tutorials on YouTube.
Dragon Bones on a Gilded Altar.
eat lots of pasta, potatos, etc.
The best way is to take a cine film which takes images at fixed intervals. If you can then determine the distance moved between the images, you can calculate velocity.