
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
On a calm evening, Linus observes a flash of lightning and hears the thunder 15 seconds later. Considering the speed of sound is 1100 feet per second and 1 kilometer is approximately 3280 feet, estimate the distance Linus was from the lightning to the nearest quarter-kilometer.
A) 4.75 kilometers
B) 5 kilometers
C) 5.25 kilometers
D) 5.5 kilometers

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