Press the right arrow (→) to calculate the terminal speed and backspin/lift factor from the statcast data.
Press the left arrow (←) to calculate the distance, height and time of flight from the terminal speed
and the backspin/lift factor.
The details of the calculation can be found at
statcast AJP article.
The statcast home run data can be found at
statcast data.
For comparison,
average values plus standard deviation of the terminal speed and backspin/lift factor for
the first 50 home runs from the postseason are listed in the table below.
| Postseason (year) | Terminal Speed (mph) | backspin/lift factor |
| 2015 | 81.5 ± 3.3 | 0.56 ± 0.08 |
| 2016 | 79.9 ± 3.4 | 0.55 ± 0.09 |
| 2017 | 82.0 ± 4.3 | 0.55 ± 0.10 |
| 2018 | 81.0 ± 2.9 | 0.53 ± 0.09 |
| 2019 | 81.2 ± 3.8 | 0.53 ± 0.10 |
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