Answer:
Ako pero mejo marunong lang....
Explanation:
No because everyone is givin an average speed at a different rate of time. Therefor swimmers DO NOT change speed at the same time.
The metaphor in this statement is "the great millstone" it kind of qualification word it express how big the time was.
But in reality, millstone doesn't even have a relationship with the time.
So "the great millstone" is a metaphor.
