No... you should refresh yourself with Mr. Newton's laws... specifically the Law of Conservation of Momentum (derived from Newton's Third Law of Motion).
It states the total momentum of a closed system does not change. This means that when two objects collide the total momentum of the objects before the collision is the same as the total momentum of the objects after the collision (a stationary object has zero momentum).
Now, billiard balls are not an absolute "closed" system, there is a very tiny amount of momentum lost to friction and whatnot... that's why I said "roughly" 20 FPS (because the struck ball would be moving slightly less than 20 FPS... certainly not more). If that 6 ounce ball was traveling at 28 FPS after the collision by the 3 ounce ball... well... that would break Mr. Newton's laws and most of them would need to be rewritten. You are correct that energy can be neither created nor destroyed, but "kinetic" energy is not energy (in the sense you speak, in the physics sense), nor is it potential energy... it is a potential value, or reference value, depending on the calculation.
Go back and read my post again... I used the word value, not energy.
Oh... by-the-way... "Energy" equals mass times the speed of light squared (E=mc²).
Notice the velocity of mass itself is not part of the equation.
*