In a fast tempo, the six eighth notes in each bar are too fast to count individually, so it is more natural to feel and count only two beats per bar - those beats which fall on the first eighth note and the fourth eighth note. You can think of the eighth notes as pulses, and use the term beat to mean a group of three pulses. In fast ) three eighth note pulses make up one beat.
This is why the notes in ) time are grouped in batches of three eighth notes. It is so that your eye can easily see where the beats fall when the tempo is quick.
When you are counting two beats per bar in ) time, you are counting the eighth notes three at a time. The beat value is then three eighth notes, for one dotted quarter note.
On the recording there are four beats to introduce exercises in fast ) time.
* The term D.C. al Fine, which stands for Da Capo al Fine, means that you play the song again from the start until you reach the word Fine (bar 9).