Find the `SI` unit of speed and acceleration.

Explanation

To find the SI unit of speed and acceleration, we can follow these steps:

### Step 1: Understanding Speed
Speed is defined as the distance traveled per unit time. The formula for speed can be expressed as:
\[ \text{Speed} = \frac{\text{Distance}}{\text{Time}} \]

### Step 2: Identifying the SI Units
- The SI unit of distance is the meter (m).
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