Okay, so let's start with what a syllable is. A syllable is a part of a word that has a sound or beat when you say it out loud. For example, the word "pie" has one syllable because when you say it, you hear one sound or beat - "p-" (pause) "-ie".
Now, a ballistic syllable is a special kind of syllable that has a really strong sound or beat. It's like when you jump up as high as you can and land really hard - that's a lot of energy and force, right? Well, a ballistic syllable is kind of like that - it has a lot of energy and force and stands out in a word.
The reason we call it "ballistic" is because it comes from the word "ballistics", which is a science that studies how things move when you throw or shoot them. So just like a bullet or a ball that's been thrown really hard has a lot of force and energy, a ballistic syllable has a lot of force and energy in a word.
Sometimes, when we're speaking or singing, we might put extra emphasis on a certain syllable to make it sound stronger and more important. That syllable might be a ballistic syllable. It can help us convey emotions or make a point more effectively.
For example, let's look at the word "fantastic". When we say it, we tend to put more emphasis on the "tas" syllable - "fan-TAS-tic". That's because the "tas" syllable is the ballistic syllable in that word - it has a strong, forceful sound that makes the word sound more enthusiastic and exciting.
So, in summary, a ballistic syllable is a syllable in a word that has a really strong sound or beat - like a bullet or a ball that's been thrown really hard. It helps us convey emotions and make certain points stand out more effectively when we speak or sing.