Where is the formula of the quick potion for practicing gold in TBC of World of Warcraft?

The recipe of alchemy: The accelerating potion was dropped by Kael'thas Sunflame, the final BOSS of the magic tutor platform. The way to find it is as follows:

1. First, players need to come to the city of Shattas in Outland.

2. Find the entrance of Quel Dahners Island near coordinates (49, 42), and the location is as follows.

3. After transmitting it, you will come to the position below the caring mentor platform.

4. Enter the copywriting of caring platform.

5. It has reached the position of the last BOSS Kael'thas.

6. Kill him.

7. There is a probability that the formula will drop the accelerating potion.