Please read the following table in Markdown format and then answer the question according to the table. Table cells in one row are seperated by '|', and different rows are seperated by '
'.

Table:
| Position | Pilot | Glider | Speed | Distance |
| --- | --- | --- | --- | --- |
| 1.0 | Mario Kiessling | Ventus 2ax | 160.6km/h | 319.7km |
| 2.0 | Carlos Rocca Vidal | Ventus 2b | 153.4km/h | 319.7km |
| 3.0 | Sebastian Kawa | Diana 2 | 153.2km/h | 319.7km |
| 4.0 | Stanislaw Wujczak | ASG 29 | 152.5km/h | 319.7km |
| 5.0 | Thomas Gostner | Diana 2 | 147.9km/h | 319.7km |
| 6.0 | Uli Schwenk | Ventus 2ax | 147.6km/h | 319.7km |
| 7.0 | Petr Krejcirik | Ventus 2ax | 147.3km/h | 319.7km |
| 8.0 | Patrick Puskeiler | Discus 2ax | 147.0km/h | 319.7km |
| 9.0 | Eduard Supersperger | Ventus 2b | 146.1km/h | 319.7km |
| 10.0 | Tilo Holighaus | Ventus 2ax | 144.2km/h | 319.7km |
| 10.0 | Heimo Demmerer | Ventus 2b | 143.6km/h | 319.7km |
| 10.0 | Wolfgang Janowitsch | Ventus 2cax | 143.5km/h | 319.7km |
| 10.0 | Rene Vidal | Ventus 2c | 142.7km/h | 319.7km |
| 10.0 | Olli Teronen | ASG 29 | 142.1km/h | 319.7km |
| 10.0 | Graham Parker | ASG 29 | 141.2km/h | 319.7km |
Question:
What is the average Position, when Speed is "143.5km/h"?
Answer:
10.0