When calculating Delta-V manually the equation would be DeltaV=ln(m_start/end)xISPx9.8m/s^2

Now my question is when traveling to the moon would you change the 9.8 to calculate delta v? Im just confused as 9.8m/s^s is acceleration of gravity on earth.

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## Question

## Jonda

When calculating Delta-V manually the equation would be DeltaV=ln(m_start/end)xISPx9.8m/s^2

Now my question is when traveling to the moon would you change the 9.8 to calculate delta v? Im just confused as 9.8m/s^s is acceleration of gravity on earth.

Thanks, Jonda

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