On Mon, 26 Nov 2018 13:41:14 -0800 (PST), RichA
wrote:

https://www.cnn.com/2018/11/26/world...day/index.html

Do the math. At that speed it would have taken 5.5 years to get there,
not half a year. The actual peak speed was more like 62,000 mph, or 28
km/s. (Down to about 5.5 km/s when it encounters the martian
atmosphere.)