Compute the rate of descent from vertical speed and configuration.
下降率 = 真空速 × sin(航迹角)。
| Item | Formula / Note | Source / Standard |
|---|---|---|
| Rate of descent | RD = v·sin γ | Anderson, Aircraft Performance and Design |
| Glide ratio relation | RD = v/(L/D) unpowered glide | Classic sailplane performance |