By the numbers, your RPS is correct.
24,000 / 60 / 13 (approximate ratio, not actual) = optimal cycle speed. That means the speed the motor should turn the gears if the gears weighed nothing and the spring had no resistance. Optimal speed is about 30 RPS.
However, the gears do weigh something and the spring does provide resistance. This means we have to factor in a final variable: efficiency. If you're getting 25 RPS, and assuming your motor is exactly 24K (most motors can be off by up to 1K, and some are far worse), that means that you're at 81% efficiency. This could be better in a gun as low powered as this, but it's fairly respectable, and indicates that you probably don't have any huge issues.
That being said, here are some caveats:
Motors can perform at "high efficiency" on paper but still be heating up overly fast due to bad shimming or whatnot. The motor can be strained but still put out full RPS.
Motors can be badly off-spec in terms of speed. For example, it's well documented that the ASG 30K Boost is actually 35K in practice, similar to the 16TPA 35K Tienly GT. This can lead to issues with inexperienced techs who have a faster-than-it-should-be motor on their hands.
