
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 person drove from point $A$ to point $B$. The car broke down 2 hours after departure and was delayed for half an hour for repairs. To make up for the lost time, he increased the speed to $1.6$ times the original speed and arrived on time. It is known that the distance between points $A$ and $B$ is $100$ kilometers. Find the person's original driving speed.

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