It seems that it "landed" at a speed of approximately 180 mph...

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Smoking hole found on Mars where Schiaparelli lander, er, 'landed'
4KM plummet to surface shattered Euro spacecraft
21 Oct 2016 - Iain Thomson

The European Space Agency has spotted what it assumes is what's left of its Schiaparelli lander that smashed into the Martian surface this week.

NASA has been helping its European cousin out with use of the Mars Reconnaissance Orbiter (MRO): the satellite's low-resolution CTX camera has picked up two new objects on the surface of the Red Planet, relatively close to where Schiaparelli was supposed to touch down. Contact with the lander was lost just minutes into its descent attempt.

The first object is relatively bright and looks like the 12-metre parachute that was the first stage in the landing process for the probe. The parachute was built to slow Schiaparelli down from 1,700KPH to 250KPH before detaching and allowing the probe to make the final descent under rocket power.

The second new feature is a much darker spot about 15 by 40 meters across and about 1km north of the first object. ESA boffins think that this is all that remains of Schiaparelli after its engines cut off prematurely and left it in free fall.

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http://www.theregister.co.uk/2016/10/21/esa_finds_where_schiaparelli_probe_hit_mars/