Now,to the materials

Voltmeter (one which has a needle(analog))

A motor (from a toy car).

some wires(It should be big enough for your bicycle)

The one am showing is connected to a multimeter!

## Step 1:

**LED**s

## Step 3:

**Speed=Distance/time**

## Step 4:

How is it? Awesome? If it is good thanks.Here's the picture of an analog voltmeter.

**Signing Up**

However, speed is Distance over time. Instantaneous speed involves taking the Derivative of the Position Function or The Integral of the Acceleration function.