
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
After the Shanghai World Expo, more people from Beijing took the train to Shanghai for sightseeing. The Beijing-Shanghai railway line is $1463$ km long. The function relationship between the total travel time $t$ (unit: $h$) and the average speed $v$ (unit: $km/h$) of a certain train on this line is ______. (No need to specify the range of the independent variable $v$)

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