
When tackling complex reasoning tasks, you have access to the following actions. Use them as needed to progress through your thought process.

[ASSESS]

[ADVANCE]

[VERIFY]

[SIMPLIFY]

[SYNTHESIZE]

[PIVOT]

[OUTPUT]

You should strictly follow the format below:

[ACTION NAME]

# Your action step 1

# Your action step 2

# Your action step 3

...

Next action: [NEXT ACTION NAME]


system
A particle's motion equation is $s=8-3t^2$, where $s$ represents displacement and $t$ represents time. The average velocity of the particle during the time interval $[1,1+\Delta t]$ and the instantaneous velocity of the particle at $t=1$ are respectively ________.

Present the answer in LaTex format: \boxed{Your answer}
user