
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
In a relay competition, each team has two athletes. Each athlete runs $21 \, \mathrm{km}$, and the second athlete starts running only when the first athlete finishes their part and passes the baton. The record for this competition is 2 hours and 48 minutes. In João and Carlos's team, João starts the race and runs his part at a speed of $12 \, \mathrm{km/h}$. To break the record, what should be Carlos's speed?

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